paint32.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef SCI_GRAPHICS_PAINT32_H
#define SCI_GRAPHICS_PAINT32_H

namespace Sci {
class Plane;
class SciBitmap;
class ScreenItem;
class SegManager;

enum LineStyle {
    kLineStyleSolid,
    kLineStyleDashed,
    kLineStylePattern
};

class GfxPaint32 {
public:
    GfxPaint32(SegManager *segMan);

private:
    SegManager *_segMan;

#pragma mark -
#pragma mark Line drawing
public:
    reg_t kernelAddLine(const reg_t planeObject, const Common::Point &startPoint, const Common::Point &endPoint, const int16 priority, const uint8 color, const LineStyle style, const uint16 pattern, const uint8 thickness);
    void kernelUpdateLine(ScreenItem *screenItem, Plane *plane, const Common::Point &startPoint, const Common::Point &endPoint, const int16 priority, const uint8 color, const LineStyle style, const uint16 pattern, const uint8 thickness);
    void kernelDeleteLine(const reg_t screenItemObject, const reg_t planeObject);

private:
    typedef struct {
        SciBitmap *bitmap;
        bool pattern[16];
        uint8 patternIndex;
        bool solid;
        bool horizontal;
        int lastAddress;
    } LineProperties;

    static void plotter(int x, int y, int color, void *data);

    reg_t makeLineBitmap(const Common::Point &startPoint, const Common::Point &endPoint, const int16 priority, const uint8 color, const LineStyle style, const uint16 pattern, const uint8 thickness, Common::Rect &outRect);
};

} // End of namespace Sci

#endif // SCI_GRAPHICS_PAINT32_H